What is Stephen Hanauer's NPI number?

Stephen Hanauer's National Provider Identifier (NPI) is 1992868418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Stephen Hanauer's specialty?

Stephen Hanauer is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).

Where is Stephen Hanauer located?

Stephen Hanauer's practice location on file with NPPES is 676 N Saint Clair St Ste 650, Chicago, IL 60611-2929.

What is Stephen Hanauer's phone number?

The practice phone number listed in the NPPES registry for Stephen Hanauer is (312) 695-5620.

Does Stephen Hanauer accept Medicare?

Stephen Hanauer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Stephen Hanauer's NPI active?

Yes — Stephen Hanauer's NPI (1992868418) is active in the NPPES registry as of the last update on 2017-05-23.

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Stephen Hanauer, MD

NPI 1992868418 · Gastroenterology Physician · Chicago, IL

Stephen Hanauer, MD is a Gastroenterology Physician provider in Chicago, IL (NPI 1992868418).

Provider details

NPI number: 1992868418
Entity type: Individual
Primary specialty: Gastroenterology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 036057399 (IL)

Practice location

676 N Saint Clair St Ste 650

Chicago, IL 60611-2929

Phone: (312) 695-5620

Fax: (312) 695-2310

Street-level locationGet directions

More IL providers

Mailing address

680 N Lake Shore Dr

Chicago, IL 60611-4546

Specialties & taxonomies

Gastroenterology PhysicianPrimary207RG0100XLicense 036057399 (IL)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(75/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
19 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
355 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215	127	$153
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	97	$103
Biopsy of Large Bowel Using a Flexible Endoscope45380	35	$186
Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500	33	$7
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	31	$84

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Mesalamine	136	33
Adalimumabbrand: Humira(cf) Pen	63	—
Prednisone	48	14
Ustekinumabbrand: Stelara	42	—
Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf	32	31
Ciprofloxacin Hcl	29	—
Budesonidebrand: Budesonide Dr	25

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$261,868 across 163 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2006-12-18
Last updated: 2017-05-23

Frequently asked questions

What is Stephen Hanauer's NPI number?: Stephen Hanauer's National Provider Identifier (NPI) is 1992868418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Stephen Hanauer's specialty?: Stephen Hanauer is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
Where is Stephen Hanauer located?: Stephen Hanauer's practice location on file with NPPES is 676 N Saint Clair St Ste 650, Chicago, IL 60611-2929.
What is Stephen Hanauer's phone number?: The practice phone number listed in the NPPES registry for Stephen Hanauer is (312) 695-5620.
Does Stephen Hanauer accept Medicare?: Stephen Hanauer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Stephen Hanauer's NPI active?: Yes — Stephen Hanauer's NPI (1992868418) is active in the NPPES registry as of the last update on 2017-05-23.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215	127	$153
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	97	$103
Biopsy of Large Bowel Using a Flexible Endoscope45380	35	$186
Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500	33	$7
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	31	$84

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Mesalamine	136	33
Adalimumabbrand: Humira(cf) Pen	63	—
Prednisone	48	14
Ustekinumabbrand: Stelara	42	—
Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf	32	31
Ciprofloxacin Hcl	29	—
Budesonidebrand: Budesonide Dr	25

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$261,868 across 163 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments